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http://dx.doi.org/10.5933/JKAPD.2012.39.2.129

IN VITRO EVALUATION OF EXPERIMENTAL FLUORIDE TAPE IN INHIBITION OF ENAMEL DEMINERALIZATION  

Kim, Min-Jung (Department of Pediatric Dentistry, Graduate School of Dentistry, Chosun University)
Lee, Sang-Ho (Department of Pediatric Dentistry, Graduate School of Dentistry, Chosun University)
Lee, Nan-Young (Department of Pediatric Dentistry, Graduate School of Dentistry, Chosun University)
Park, Seung-Hyo (Department of Pediatric Dentistry, Graduate School of Dentistry, Chosun University)
Publication Information
Journal of the korean academy of Pediatric Dentistry / v.39, no.2, 2012 , pp. 129-138 More about this Journal
Abstract
The aim of this in vitro study was to evaluate the effectiveness of experimental 2.26% fluoride-polyvinyl alcohol (F-PVA) tape in inhibition of enamel demineralization using enamel surface microhardness (SMH) analysis and scanning electron microscopy (SEM) examination. Enamel specimens (n=60) randomly assigned to four groups: control group, F-PVA tape group, fluoride varinish (F-varnish) group, casein phosphopeptide-amorphous calcium phosphate (CPP-ACFP) group. After topical application, pH-cycling was processed. Then, SMH was measured and the percentage loss of surface microhardness (%SML) was calculated. For the SEM examination, five sample specimens in each group were treated and the morphologic character was evaluated. After pH-cycling, the SMH values of the enamel specimens of F-PVA tape and F-varnish group were significantly higher than that of CPP-ACFP group, there was no significant difference between F-PVA tape and Fvarnish group. With SEM examination, enamel surfaces in the F-PVA tape group and F-varnish group showed numerous spherical and ovoid crystals formed on the enamel surface were also observed. The density of crystals was higher than that of both control group and CPP-ACFP group. F-PVA tape is effective in inhibition of enamel demineralization. Also, F-PVA tape's inhibition of enamel demineralization is comparable to that of F-vanish and greater than that of CPP-ACFP.
Keywords
Fluoride tape; PVA tape; Enamel demineralization;
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